How plants find light in patchy canopies. A comparison between wild-type and phytochrome-B-deficient mutant plants of cucumber

branching colonizing ability concombre cucumbers cucumis sativus cultivo intercalado culture intercalaire ecologia ecologie ecology fitocroma gene genes intercropping light luz mais maize mutant mutantes mutants mutation pepino phototropism phytochrome ramification stems tallo tendrils tige tropisme tropismo tropisms vrille zarcillo zea mays